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Exact Answer
16/37 + 9/13 = 541/481
Simplified Fraction
541/481
Mixed Number
1 60/481
Decimal Value
1.12474
Percentage
112.474%

Step-by-Step Solution: 16/37 + 9/13

Step 1

Find the Least Common Denominator (LCD)

The denominators 37 and 13 are coprime (they share no common factors other than 1). Therefore, their Least Common Denominator (LCD) is simply their direct product: 37 × 13 = 481.
LCD(37, 13) = 481
Step 2

Convert to Equivalent Fractions with Common Denominator 481

Multiply the numerator and denominator of 16/37 by 13, and multiply the numerator and denominator of 9/13 by 37 so both fractions share the common base 481.
16 × 13/37 × 13 = 208/481   and   9 × 37/13 × 37 = 333/481
Step 3

Add the Numerators

Now add the numerators (208 + 333 = 541) and keep the common denominator 481 unchanged.
208 + 333/481 = 541/481
Step 4

Check if the Fraction Can Be Simplified

The Greatest Common Divisor (GCD) of 541 and 481 is 1, confirming that 541/481 cannot be reduced further—it is already in its simplest irreducible form.
541/481
Step 5

Convert Improper Fraction to a Mixed Number

Since the numerator (541) is greater than the denominator (481), divide 541 by 481: it goes in 1 whole time(s) with a remainder of 60, giving the mixed number 1 60/481.
541/481 = 160/481
Step 6

Decimal & Percentage Representation

Dividing the numerator 541 by denominator 481 produces a repeating decimal (approximately 1.12474, or 112.474%).
541 ÷ 481 = 1.12474 (112.474%)

Visual Representation

The diagram below illustrates 16/37 plus 9/13 visually:

16/3716 of 37 parts shadedValue: 0.4324 (43.2%)
+
9/139 of 13 parts shadedValue: 0.6923 (69.2%)
=
Result: 541/4811 Whole60/481 PartTotal: 541/481 (112.5%)

Summary & Alternative Representations

Property / FormatValue
Lowest Terms Fraction541/481
Mixed Number Form1 60/481
Decimal Form1.12474
Percentage112.474%

Frequently Asked Questions

What is 16/37 plus 9/13 as a fraction?

16/37 + 9/13 in simplest fraction form is 541/481 (or 1 60/481 as a mixed number).

What is 16/37 plus 9/13 as a decimal?

16/37 + 9/13 converted to a decimal is 1.12474.

What is 16/37 plus 9/13 as a percentage?

16/37 + 9/13 expressed as a percentage is 112.474%.

How do you write 16/37 plus 9/13 as a mixed number?

Because the numerator is greater than the denominator, the improper fraction 541/481 can be written as the mixed number 1 60/481.

Does 16/37 plus 9/13 result in a terminating or repeating decimal?

It results in a repeating decimal (approximately 1.12474...) because the denominator contains prime factors other than 2 and 5.